Base for a telephone set



FIG. 1 is a front isometric view of a base for a telephone set showing my new design;

FIG. 2 is a left side elevation thereof;

FIG. 3 is a right side elevation thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a front elevation thereof;

FIG. 6 is a back elevation thereof; and

FIG. 7 is a bottom plan view thereof. 

The ornamental design for a base for a telephone set, substantially as shown and described. 